User geoffc

4 votes

Would SpaceX's Starlink constellation contribute inordinately to space debris?

answered Jun 17, 2019 at 14:32

7 votes

How much of the recovery system does Spacex remove from a Falcon 9 when using it in an expended manner?

answered Jun 16, 2019 at 1:59

5 votes

Have there been any examples of re-usable rockets in the past?

answered May 15, 2019 at 19:06

30 votes

Accepted

Apollo command module space walk?

answered Apr 16, 2019 at 16:44

18 votes

Why did the Falcon Heavy center core fall off the ASDS OCISLY barge?

answered Apr 16, 2019 at 12:59

3 votes

How are retrograde orbits attained?

answered Nov 28, 2013 at 16:06

1 vote

Is the BFB/super heavy likely to have an easier time landing than the Falcon 9 booster?

answered Apr 8, 2019 at 20:33

1 vote

What are these big shiny metallic "lumps" on the bottom edge of each Falcon Heavy nozzle?

answered Apr 8, 2019 at 13:52

12 votes

Why does Arabsat 6A need a Falcon Heavy to launch

answered Apr 4, 2019 at 18:38

5 votes

For the Starhopper testing, how will SpaceX hold down the vehicle?

answered Mar 25, 2019 at 18:30

7 votes

Why does this boat have a landing pad? (SpaceX's GO Searcher) Any plans for propulsive capsule landings?

answered Mar 8, 2019 at 10:36

5 votes

Accepted

Do current plans for people going to Mars by SpaceX depend only on consumables loaded from Earth?

answered Feb 21, 2019 at 2:19

8 votes

Accepted

Will SpaceX vehicles orbit Mars before they enter the atmosphere?

answered Feb 13, 2019 at 20:13

7 votes

What are SpaceX Starship/BFR proposed abort modes?

answered Jan 24, 2019 at 19:52

14 votes

Accepted

Why will the Orion system land on water, while the Soyuz lands on land?

answered Jun 29, 2014 at 10:37

3 votes

What are the consequences of Vertical vs Horizontal integration for SpaceX?

answered Mar 7, 2014 at 20:23

67 votes

Why did the Chinese send flies and plants to the far side of the moon?

answered Jan 15, 2019 at 18:38

6 votes

Is helium used to power the Falcon 9 grid fins?

answered Jan 3, 2019 at 19:52

3 votes

Accepted

should spacex have 2 versions of the BFS (sub-orbital city and orbital BFR)?

answered Dec 19, 2018 at 15:53

8 votes

Accepted

How many engines are restarted for landing the falcon boosters

answered Dec 17, 2018 at 11:09

18 votes

Accepted

With six spacecraft currently docked at the ISS, how could Santa (or anyone else) deliver presents?

answered Dec 9, 2018 at 12:36

2 votes

Accepted

What are the four vertical structures surrounding Falcon launch?

answered Dec 6, 2018 at 16:59

7 votes

Why did they not use the Flight Termination system on CRS16 booster?

answered Dec 6, 2018 at 15:09

4 votes

Accepted

What is the circular item that fell off of the returning booster during the CRS-16 mission?

answered Dec 5, 2018 at 20:01

7 votes

If the CRS16 booster was out of control, how did it abort to water?

answered Dec 5, 2018 at 19:52

3 votes

What are these flames on the Falcon 9 booster?

answered Dec 4, 2018 at 20:08

4 votes

Accepted

How low is VLEO? (FCC's newest approval for SpaceX)

answered Nov 16, 2018 at 16:59

9 votes

Accepted

Could a Roton-like SSTO work?

answered Nov 14, 2018 at 20:52

4 votes

Accepted

Who's "winning" with launch rate/cadence?

answered Nov 4, 2018 at 0:54

8 votes

Accepted

What prevents all these man-made objects flying in space from colliding with each other?

answered Oct 24, 2018 at 19:48

Stack Exchange Network

678 Answers

Would SpaceX's Starlink constellation contribute inordinately to space debris?

How much of the recovery system does Spacex remove from a Falcon 9 when using it in an expended manner?

Have there been any examples of re-usable rockets in the past?

Apollo command module space walk?

Why did the Falcon Heavy center core fall off the ASDS OCISLY barge?

How are retrograde orbits attained?

Is the BFB/super heavy likely to have an easier time landing than the Falcon 9 booster?

What are these big shiny metallic "lumps" on the bottom edge of each Falcon Heavy nozzle?

Why does Arabsat 6A need a Falcon Heavy to launch

For the Starhopper testing, how will SpaceX hold down the vehicle?

Why does this boat have a landing pad? (SpaceX's GO Searcher) Any plans for propulsive capsule landings?

Do current plans for people going to Mars by SpaceX depend only on consumables loaded from Earth?

Will SpaceX vehicles orbit Mars before they enter the atmosphere?

What are SpaceX Starship/BFR proposed abort modes?

Why will the Orion system land on water, while the Soyuz lands on land?

What are the consequences of Vertical vs Horizontal integration for SpaceX?

Why did the Chinese send flies and plants to the far side of the moon?

Is helium used to power the Falcon 9 grid fins?

should spacex have 2 versions of the BFS (sub-orbital city and orbital BFR)?

How many engines are restarted for landing the falcon boosters

With six spacecraft currently docked at the ISS, how could Santa (or anyone else) deliver presents?

What are the four vertical structures surrounding Falcon launch?

Why did they not use the Flight Termination system on CRS16 booster?

What is the circular item that fell off of the returning booster during the CRS-16 mission?

If the CRS16 booster was out of control, how did it abort to water?

What are these flames on the Falcon 9 booster?

How low is VLEO? (FCC's newest approval for SpaceX)

Could a Roton-like SSTO work?

Who's "winning" with launch rate/cadence?

What prevents all these man-made objects flying in space from colliding with each other?